Do you have a color vision deficit and cannot pass the standard pseudoisochromatic plate test as shown here?

The simplest and most active alternative test is the Farnsworth Lantern (FALANT) Test for color vision. This is the preferable test to the other option, the color signal light gun test since FAA authorization is not required for the FALANT.

First developed in the 1950's for the US Navy, the FALANT became the standard for military color vision testing.

If you pass the FALANT, your medical certificate can be issued without a color or night flying restriction. If you fail the FALANT, you can still request authoriza- tion from the FAA to take a color signal light test, OCVT (operational color vision test, and for First and Second Class medical certificates the MFT (color vision medical flight test) to obtain a Letter of Evidence for color vision.

Pseudoisochromatic color plate

If you have questions regarding color vision and medical certification, we can guide you through the process.

In the FALANT test, you are presented with a combination of two colored lights which may be any combination of RED, GREEN and/or WHITE. The combination may be two lights of the same color and may be presented more than once during the test. Examples are shown here.

Farnsworth Lantern

The test operator visualizes the correct test answer on the top of the machine.

The test is comprised of a series of 9 combinations of colors. These may be presented a total of three times to the applicant. The test is scored as PASS if the applicant has an average of less than one error for the complete test series.

To schedule a Farnsworth Lantern (FALANT), OPTEC 900 or Dvorine Test, call or e-Mail Patty at 602-368-5633 or click onAppointments.

The fee is $75.

OPTEC 900 and Color Vision Testing

In the OPTEC 900 test, you are presented with a combination of two colored lights which may be any combination of RED, GREEN and/or WHITE. The combination may be two lights of the same color and may be presented more than once during the test. Examples are shown here.

The test is comprised of a series of 9 combinations of colors. These may be presented a total of three times to the applicant. The test is scored as PASS if the applicant has an average of less than one error for the complete test series.

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Dvorine Color Testplate test, however, there are some airmen who pass the Dvorine yet cannot pass the Ishihara test. The FAA standards states " An applicant does not meet the color vision standard if testing reveals seven or more errors on plates 1-15".

Ishihara Color TestThe Ishihara color test is a series of 14 pseudoisochromatic color plates. The FAA standards states " An applicant does not meet the color vision standard if testing reveals six or more errors on plates 1-11".

Keystone OrthoscopeThis is a vision testing machine that uses six pseudoisochromatic images to test color vision. "The FAA standards states " An applicant does not meet the color vision standard if testing reveals any errors in the six plates".

Richmond HRR Color TestThe Richmond HRR Color Test is a series of 24plates. The plates display only 3 symbols which are identified by symbol shape and location on the plate. An applicant does not meet the color vision standard if testing reveals 2 or more errors on plates 5-24.

Richmond Pseudoisochromatic Plate TestThe Richmond Pseudoisochromatic Plate test is a series of 15 pseudoisochromatic color plates. The FAA standards states " An applicant does not meet the color vision standard if testing reveals seven or more errors".

We have all of the above mentioned tests for color vision available. We can perform a full color vision examination utilizing all of the above tests to determine what type, if any, color vision deficiency you may have. Contact us at 602-368-5633 to set up an appointment or select Color Vision Consultation for the visit type when making the appointment on-line at Appointments

To schedule a Farnsworth Lantern (FALANT), OPTEC 900 or Dvorine Test, call or e-Mail Patty at 602-368-5633 or click onAppointments.

The fee is $75.

Color Vision Testing

Color Vision ConsultationWe provide a full color vision consultation utilizing all of the color vision tests we have for a fee of $175.